1 definition
by
Shaggy8816

1 A medieval tenant giving military service as a mounted man-at-arms to a feudal landholder.

2 A medieval gentleman-soldier, usually high-born, raised by a sovereign to privileged military status after training as a page and squire.

3 A man holding a nonhereditary title conferred by a sovereign in recognition of personal merit or service to the country.

4 A man belonging to an order or brotherhood.

5 A defender, champion, or zealous upholder of a cause or principle.

6 The devoted champion of a lady.

7 A chess piece, usually in the shape of a horse's head, that can be moved two squares along a rank and one along a file or two squares along a file and one along a rank. The knight is the only piece that can jump other pieces to land on an open square.